The AI boom differs from past bubbles, with the S&P and Nasdaq 100 hitting new highs. Speculation about a bubble grows, but some experts, like Fed chairman Jerome Powell, see differences this time. Meta Platforms’ earnings plunge suggests concerns about AI overspending. Investor caution may prevent a 1929-like market crash.

Increased investor caution, fueled by historic bubble busts, is a positive for the market. The Nasdaq 100’s 24% year-to-date gain prompts questions about future returns. Investors must assess if AI justifies a pricier S&P 500. Earnings serve as reality checkpoints for the market’s 90% rally since 2022.

Read more at Yahoo Finance: Why are Some Market Pundits Talking About the 1929 Wall Street Crash?